From 07afebba4e48362d092b5966df7bbba37b914c50 Mon Sep 17 00:00:00 2001
From: Gustl22 <user.rebo@gmx.de>
Date: Sun, 2 Dec 2018 23:28:12 +0100
Subject: [PATCH] GLState: constant UNBIND = 0

---
 vtm-playground/src/org/oscim/test/GdxSpriteBatchTest.java | 4 ++--
 vtm/src/org/oscim/renderer/BufferObject.java              | 2 +-
 vtm/src/org/oscim/renderer/GLState.java                   | 1 +
 vtm/src/org/oscim/renderer/MapRenderer.java               | 4 ++--
 vtm/src/org/oscim/renderer/bucket/LineTexBucket.java      | 2 +-
 5 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/vtm-playground/src/org/oscim/test/GdxSpriteBatchTest.java b/vtm-playground/src/org/oscim/test/GdxSpriteBatchTest.java
index 3fc749e9..b5d64160 100644
--- a/vtm-playground/src/org/oscim/test/GdxSpriteBatchTest.java
+++ b/vtm-playground/src/org/oscim/test/GdxSpriteBatchTest.java
@@ -94,8 +94,8 @@ public class GdxSpriteBatchTest extends GdxMapApp {
         mMapRenderer.onDrawFrame();
 
         gl.flush();
-        GLState.bindVertexBuffer(0);
-        GLState.bindElementBuffer(0);
+        GLState.bindVertexBuffer(GLState.UNBIND);
+        GLState.bindElementBuffer(GLState.UNBIND);
         gl.frontFace(GL.CCW);
 
         spriteBatch.setProjectionMatrix(camera.combined);
diff --git a/vtm/src/org/oscim/renderer/BufferObject.java b/vtm/src/org/oscim/renderer/BufferObject.java
index da74f443..373e76d5 100644
--- a/vtm/src/org/oscim/renderer/BufferObject.java
+++ b/vtm/src/org/oscim/renderer/BufferObject.java
@@ -85,7 +85,7 @@ public final class BufferObject extends Inlist<BufferObject> {
     }
 
     public void unbind() {
-        GLState.bindBuffer(target, 0);
+        GLState.bindBuffer(target, GLState.UNBIND);
     }
 
     // ---------------------------- pool ----------------------------
diff --git a/vtm/src/org/oscim/renderer/GLState.java b/vtm/src/org/oscim/renderer/GLState.java
index fba9d135..60c57c1d 100644
--- a/vtm/src/org/oscim/renderer/GLState.java
+++ b/vtm/src/org/oscim/renderer/GLState.java
@@ -29,6 +29,7 @@ public class GLState {
     static final Logger log = LoggerFactory.getLogger(GLState.class);
 
     public final static int DISABLED = -1;
+    public final static int UNBIND = 0;
 
     private final static boolean[] vertexArray = {false, false};
     private static boolean blend = false;
diff --git a/vtm/src/org/oscim/renderer/MapRenderer.java b/vtm/src/org/oscim/renderer/MapRenderer.java
index 423ca0aa..c2e0840f 100644
--- a/vtm/src/org/oscim/renderer/MapRenderer.java
+++ b/vtm/src/org/oscim/renderer/MapRenderer.java
@@ -215,7 +215,7 @@ public class MapRenderer {
         gl.bufferData(GL.ELEMENT_ARRAY_BUFFER,
                 indices.length * 2, buf,
                 GL.STATIC_DRAW);
-        GLState.bindElementBuffer(0);
+        GLState.bindElementBuffer(GLState.UNBIND);
 
         /* initialize default quad */
         FloatBuffer floatBuffer = MapRenderer.getFloatBuffer(8);
@@ -228,7 +228,7 @@ public class MapRenderer {
         gl.bufferData(GL.ARRAY_BUFFER,
                 quad.length * 4, floatBuffer,
                 GL.STATIC_DRAW);
-        GLState.bindVertexBuffer(0);
+        GLState.bindVertexBuffer(GLState.UNBIND);
 
         GLState.init();
 
diff --git a/vtm/src/org/oscim/renderer/bucket/LineTexBucket.java b/vtm/src/org/oscim/renderer/bucket/LineTexBucket.java
index bcb7ca29..43691bc2 100644
--- a/vtm/src/org/oscim/renderer/bucket/LineTexBucket.java
+++ b/vtm/src/org/oscim/renderer/bucket/LineTexBucket.java
@@ -297,7 +297,7 @@ public final class LineTexBucket extends LineBucket {
             GLState.bindVertexBuffer(mVertexFlipID);
             gl.bufferData(GL.ARRAY_BUFFER, flip.length, sbuf,
                     GL.STATIC_DRAW);
-            GLState.bindVertexBuffer(0);
+            GLState.bindVertexBuffer(GLState.UNBIND);
 
             //    mTexID = new int[10];
             //    byte[] stipple = new byte[40];